i have often thought it would be a blessing if each human being were stricken blind and deaf for a few days at some time during his early adult life darkness would make him more appreciative of sight
我常常想，如果每个人在成年早期的某个时候都有几天失明或失聪，这将是一件幸事。黑暗会使他更加珍惜光明
以上为机器翻译结果，长、整句建议使用 人工翻译 。